Petrography of the fuller's earth deposits, Olmstead, Illinois. : with a brief study of some non-Illinois earths /
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| Format: | Book |
| Language: | English |
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 26. |
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| Item Description: | At head of title: State of Illinois. Department of registration and education. Division of the State geological survey. |
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| Physical Description: | 344-363 pages : illustrations |
| Bibliography: | Bibliographical foot-notes. |